From patchwork Tue Jul 11 16:43:38 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Olga Kornievskaia X-Patchwork-Id: 9835143 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 9742B60363 for ; Tue, 11 Jul 2017 16:44:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 87EA628429 for ; Tue, 11 Jul 2017 16:44:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7CCA9284FF; Tue, 11 Jul 2017 16:44:27 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 61C1628511 for ; Tue, 11 Jul 2017 16:44:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933282AbdGKQoY (ORCPT ); Tue, 11 Jul 2017 12:44:24 -0400 Received: from mx143.netapp.com ([216.240.21.24]:17907 "EHLO mx143.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932831AbdGKQoX (ORCPT ); Tue, 11 Jul 2017 12:44:23 -0400 X-IronPort-AV: E=Sophos;i="5.40,347,1496127600"; d="scan'208";a="205256131" Received: from vmwexchts04-prd.hq.netapp.com ([10.122.105.32]) by mx143-out.netapp.com with ESMTP; 11 Jul 2017 09:23:51 -0700 Received: from smtp1.corp.netapp.com (10.57.156.124) by VMWEXCHTS04-PRD.hq.netapp.com (10.122.105.32) with Microsoft SMTP Server id 15.0.1210.3; Tue, 11 Jul 2017 09:44:21 -0700 Received: from localhost.localdomain ([10.63.238.161]) by smtp1.corp.netapp.com (8.13.1/8.13.1/NTAP-1.6) with ESMTP id v6BGiHBD000070; Tue, 11 Jul 2017 09:44:21 -0700 (PDT) From: Olga Kornievskaia To: , , CC: Subject: [RFC v3 04/42] NFS OFFLOAD_STATUS xdr Date: Tue, 11 Jul 2017 12:43:38 -0400 Message-ID: <20170711164416.1982-5-kolga@netapp.com> X-Mailer: git-send-email 2.10.1 (Apple Git-78) In-Reply-To: <20170711164416.1982-1-kolga@netapp.com> References: <20170711164416.1982-1-kolga@netapp.com> MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Olga Kornievskaia --- fs/nfs/nfs42xdr.c | 87 +++++++++++++++++++++++++++++++++++++++++++++++ fs/nfs/nfs4proc.c | 1 + fs/nfs/nfs4xdr.c | 1 + include/linux/nfs4.h | 1 + include/linux/nfs_fs_sb.h | 1 + include/linux/nfs_xdr.h | 12 +++++++ 6 files changed, 103 insertions(+) diff --git a/fs/nfs/nfs42xdr.c b/fs/nfs/nfs42xdr.c index 528362f..e369de1 100644 --- a/fs/nfs/nfs42xdr.c +++ b/fs/nfs/nfs42xdr.c @@ -25,6 +25,11 @@ NFS42_WRITE_RES_SIZE + \ 1 /* cr_consecutive */ + \ 1 /* cr_synchronous */) +#define encode_offload_status_maxsz (op_encode_hdr_maxsz + \ + XDR_QUADLEN(NFS4_STATEID_SIZE)) +#define decode_offload_status_maxsz (op_decode_hdr_maxsz + \ + 2 /* osr_count */ + \ + 1 + 1 /* osr_complete<1> */) #define encode_deallocate_maxsz (op_encode_hdr_maxsz + \ encode_fallocate_maxsz) #define decode_deallocate_maxsz (op_decode_hdr_maxsz) @@ -74,6 +79,12 @@ decode_putfh_maxsz + \ decode_copy_maxsz + \ decode_commit_maxsz) +#define NFS4_enc_offload_status_sz (compound_encode_hdr_maxsz + \ + encode_putfh_maxsz + \ + encode_offload_status_maxsz) +#define NFS4_dec_offload_status_sz (compound_decode_hdr_maxsz + \ + decode_putfh_maxsz + \ + decode_offload_status_maxsz) #define NFS4_enc_deallocate_sz (compound_encode_hdr_maxsz + \ encode_putfh_maxsz + \ encode_deallocate_maxsz + \ @@ -144,6 +155,14 @@ static void encode_copy(struct xdr_stream *xdr, encode_uint32(xdr, 0); /* src server list */ } +static void encode_offload_status(struct xdr_stream *xdr, + struct nfs42_offload_status_args *args, + struct compound_hdr *hdr) +{ + encode_op_hdr(xdr, OP_OFFLOAD_STATUS, decode_offload_status_maxsz, hdr); + encode_nfs4_stateid(xdr, &args->osa_stateid); +} + static void encode_deallocate(struct xdr_stream *xdr, struct nfs42_falloc_args *args, struct compound_hdr *hdr) @@ -258,6 +277,24 @@ static void nfs4_xdr_enc_copy(struct rpc_rqst *req, } /* + * Encode OFFLOAD_STATUS request + */ +static void nfs4_xdr_enc_offload_status(struct rpc_rqst *req, + struct xdr_stream *xdr, + struct nfs42_offload_status_args *args) +{ + struct compound_hdr hdr = { + .minorversion = nfs4_xdr_minorversion(&args->osa_seq_args), + }; + + encode_compound_hdr(xdr, req, &hdr); + encode_sequence(xdr, &args->osa_seq_args, &hdr); + encode_putfh(xdr, args->osa_src_fh, &hdr); + encode_offload_status(xdr, args, &hdr); + encode_nops(&hdr); +} + +/* * Encode DEALLOCATE request */ static void nfs4_xdr_enc_deallocate(struct rpc_rqst *req, @@ -406,6 +443,31 @@ static int decode_copy(struct xdr_stream *xdr, struct nfs42_copy_res *res) return decode_copy_requirements(xdr, res); } +static int decode_offload_status(struct xdr_stream *xdr, + struct nfs42_offload_status_res *res) +{ + __be32 *p; + uint32_t count; + int status; + + status = decode_op_hdr(xdr, OP_OFFLOAD_STATUS); + if (status) + return status; + p = xdr_inline_decode(xdr, 8 + 4); + if (unlikely(!p)) + goto out_overflow; + p = xdr_decode_hyper(p, &res->osr_count); + count = be32_to_cpup(p++); + if (count) { + p = xdr_inline_decode(xdr, 4); + res->osr_status = nfs4_stat_to_errno(be32_to_cpup(p)); + } + return 0; +out_overflow: + print_overflow_msg(__func__, xdr); + return -EIO; +} + static int decode_deallocate(struct xdr_stream *xdr, struct nfs42_falloc_res *res) { return decode_op_hdr(xdr, OP_DEALLOCATE); @@ -504,6 +566,31 @@ static int nfs4_xdr_dec_copy(struct rpc_rqst *rqstp, } /* + * Decode OFFLOAD_STATUS response + */ +static int nfs4_xdr_dec_offload_status(struct rpc_rqst *rqstp, + struct xdr_stream *xdr, + struct nfs42_offload_status_res *res) +{ + struct compound_hdr hdr; + int status; + + status = decode_compound_hdr(xdr, &hdr); + if (status) + goto out; + status = decode_sequence(xdr, &res->osr_seq_res, rqstp); + if (status) + goto out; + status = decode_putfh(xdr); + if (status) + goto out; + status = decode_offload_status(xdr, res); + +out: + return status; +} + +/* * Decode DEALLOCATE request */ static int nfs4_xdr_dec_deallocate(struct rpc_rqst *rqstp, diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index dbfa189..90be5c1 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -9229,6 +9229,7 @@ static bool nfs4_match_stateid(const nfs4_stateid *s1, | NFS_CAP_ATOMIC_OPEN_V1 | NFS_CAP_ALLOCATE | NFS_CAP_COPY + | NFS_CAP_OFFLOAD_STATUS | NFS_CAP_DEALLOCATE | NFS_CAP_SEEK | NFS_CAP_LAYOUTSTATS diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 3aebfdc..8b41f43 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -7561,6 +7561,7 @@ struct rpc_procinfo nfs4_procedures[] = { PROC(LAYOUTSTATS, enc_layoutstats, dec_layoutstats), PROC(CLONE, enc_clone, dec_clone), PROC(COPY, enc_copy, dec_copy), + PROC(OFFLOAD_STATUS, enc_offload_status, dec_offload_status), #endif /* CONFIG_NFS_V4_2 */ }; diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h index 1b1ca04..d67c350 100644 --- a/include/linux/nfs4.h +++ b/include/linux/nfs4.h @@ -523,6 +523,7 @@ enum { NFSPROC4_CLNT_LAYOUTSTATS, NFSPROC4_CLNT_CLONE, NFSPROC4_CLNT_COPY, + NFSPROC4_CLNT_OFFLOAD_STATUS, }; /* nfs41 types */ diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index e418a10..36535ad 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -250,5 +250,6 @@ struct nfs_server { #define NFS_CAP_LAYOUTSTATS (1U << 22) #define NFS_CAP_CLONE (1U << 23) #define NFS_CAP_COPY (1U << 24) +#define NFS_CAP_OFFLOAD_STATUS (1U << 25) #endif diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index b28c834..eaaf540 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -1386,6 +1386,18 @@ struct nfs42_copy_res { struct nfs_commitres commit_res; }; +struct nfs42_offload_status_args { + struct nfs4_sequence_args osa_seq_args; + struct nfs_fh *osa_src_fh; + nfs4_stateid osa_stateid; +}; + +struct nfs42_offload_status_res { + struct nfs4_sequence_res osr_seq_res; + uint64_t osr_count; + int osr_status; +}; + struct nfs42_seek_args { struct nfs4_sequence_args seq_args;